Facial rashes, characterized by discoloration, hives, swelling, and itching, can occur for many reasons. Stress can activate an immune response and contribute to new or worsening facial rashes.

Out of more than 3,000 skin diseases, how do you know what condition you have? These 23 skin rash pictures and expert tips can help you decipher your skin.

Dermatomyositis and lupus may share symptoms in some cases. Here's what you need to know about these autoimmune conditions.